clang/test/CodeGen/nvptx-abi.c

   1 // RUN: %clang_cc1 -triple nvptx-unknown-unknown -o - %s -emit-llvm | FileCheck %s
   2 // RUN: %clang_cc1 -triple nvptx64-unknown-unknown -o - %s -emit-llvm | FileCheck %s
   3
   4 typedef struct float4_s {
   5   float x, y, z, w;
   6 } float4_t;
   7
   8 float4_t my_function(void) {
   9 // CHECK-LABEL: define{{.*}} %struct.float4_s @my_function
  10   float4_t t;
  11   return t;
  12 };
  13
  14 float bar(void) {
  15   float4_t ret;
  16 // CHECK-LABEL: @bar
  17 // CHECK: call %struct.float4_s @my_function
  18   ret = my_function();
  19   return ret.x;
  20 }
  21
  22 void foo(float4_t x) {
  23 // CHECK-LABEL: @foo
  24 // CHECK: ptr noundef byval(%struct.float4_s) align 4 %x
  25 }
  26
  27 void fooN(float4_t x, float4_t y, float4_t z) {
  28 // CHECK-LABEL: @fooN
  29 // CHECK: ptr noundef byval(%struct.float4_s) align 4 %x
  30 // CHECK: ptr noundef byval(%struct.float4_s) align 4 %y
  31 // CHECK: ptr noundef byval(%struct.float4_s) align 4 %z
  32 }
  33
  34 typedef struct nested_s {
  35   unsigned long long x;
  36   float z[64];
  37   float4_t t;
  38 } nested_t;
  39
  40 void baz(nested_t x) {
  41 // CHECK-LABEL: @baz
  42 // CHECK: ptr noundef byval(%struct.nested_s) align 8 %x)
  43 }